56255040 has 224 divisors, whose sum is σ = 210677760. Its totient is φ = 14082048.

The previous prime is 56255027. The next prime is 56255113. The reversal of 56255040 is 4055265.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 56254995 and 56255013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 146689 + ... + 147071.

Almost surely, 2^56255040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 56255040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (105338880).

56255040 is an abundant number, since it is smaller than the sum of its proper divisors (154422720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56255040 is a wasteful number, since it uses less digits than its factorization.

56255040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 27.

The square root of 56255040 is about 7500.3359924739. The cubic root of 56255040 is about 383.1661594092.

The spelling of 56255040 in words is "fifty-six million, two hundred fifty-five thousand, forty".